Latch



May 22, 192s.

` F. M. WILLIAMSON mfENToR. I -7o/f /V Williamson,

Patented May 22, 1928.

UNITED sr Aras 1,67a521i 'PATENT ortica] rLoYnM. WILLIAMSON, oF DETROIT,MTQHIGAN, AssIGNoR .To WILLIAMSON a FRED- Y ERIKSON` MANUFACTURINGCOMPANY, 0F v'DjETlEtOIl,r MICHIGAN, A

OF MICHIGAN.

Application filed May`27,

This invention relatesl to improvements; in latches, and refers moreparticularly to spring actuated latches adapted to hold the outer endsof a pivotally mounted member, such as a swinging window in line with fafixed member such as a window frame.

It is an object vof the invention to provide a latch of cheap and simpleconstruction that may be secured to the side of a swinging window sash,and which has an outwardly projecting catch that will cooperate with aslot in a window slide normally provided in the window frame on whichthe sash swings.

Anotherobject of the invention is to provide a latch which may beutilized on the outer end of a pivotally mounted window sash so that ahandle may be employed simultaneously both for releasing the latch andalso for swinging the window pivotally into open position.

With these and other objects in View, the invention, which consistsA incertain novel construction and combination of parts, is hereinafter morefully described with the aid of the accompanying drawings, in which*Figure 1 illustrates a perspective viewrof a window frame which slidestherein, a window sash pivotally mounted between the slides, and thelatch parts on the sash and slides. v f

Figure 2 is a perspective View of part of a sash and portions of thelatch prior to assembly, and j v Figure 3 is a plan View of a sash, aslide and a frame, and a latch in engaging position. f

Referring to the drawings, 1 designates an ordinary window frame havingusual vertically movable slides 2 therein by which latter an ordinarysash 3 is pivotally supported in a conventional manner.

Pockets 4 are cut in the upper sides of the sash 3 to receive blocks 4which have forwardly extending vertical flanges 6 adjacent to the innersides of the said pockets, and the outersides of the blocks also haveoutward projections 7 along their lower margins. These blocks are heldin position as by the inner sides of the holding plates 8 secured to thesides of the sash, and the front margins of these plates are outwardlyLATCH.

1927. serial No. 194,568.

upper surfaces of the latter are downwardly and forwardly inclined'andterminatebelow the said pins.

Catches 12bear against the outer surface CORPORATION of the blocks 5,normally rest on the projecs `tions 7, and are pivotally mounted on thepins 11. The engaging members 13 on the rear ends of these catches areoutwardlyand when desired also forwardly, flexed, and the outwardlyflexedportions which pass through openings 8L1 in the plates '8 areadapted to take into slots 14 cut in the upper surfacesof the slides 2.The operating ends 15 of the catches are inwardly bent toward oneanother', and have forwardly inclined lower portions 15a. Around thepins 11 springs 16 are arranged one end of which bears against the frontsurface of its block, and the opposite end of each spring tends to forcethelower portion 15a of the operating end of itscatch forward so as tohold the lower margin of the catch 12 down on the projection 7, and itsengaging end 13 in engagement with its slot 14.

On the front upper sides of the sash 3 operating handles 17 may bepivotally mounted in bracketsl 18, so that their outer ends rest againstthe undersides 15a of the operating portions 15 of the catches 12.

t Though when desired these handles may be dispensed with. j v

From the foregoing it will be clearly seen that when the inner ends ofthe handles 17 are pulled forward'the engaging ends 13 of thev catchesare. raised out of engagement from the slots 14. Or again, as the sashis moved into vertical position the undersides and flexed subStantiallyat right angles thereto to engage said slot, an operating end on saidcatch also flexed substantially at right angles to said catch and havingits lower portion forwardly inclined,A and a spring around said pinhaving one end in Contact With said block and its opposite end incontact with the lower portion of said operating end, said Ilowerportion being normally pressed' `forward by said Spring thereby tendingto hold said engaging end in said slot. Y

FLOYD M, WILLIAMSN.

